Limit Cycles for the Class of D-Dimensional Polynomial Differential Systems by Zouhair Diab, Amar Makhlouf

“…We perturb the differential system x˙1=-x2(1+x1), x˙2=x1(1+x1), and x˙k=0 for k=3,…,d inside the class of all polynomial differential systems of degree n in Rd, and we prove that at most nd-1 limit cycles can be obtained for the perturbed system using the first-order averaging theory.…”
Get full text

Hydrogen-bonded macrocycle-mediated dimerization for orthogonal supramolecular polymerization by Wentao Yu, Zhiyao Yang, Chengkan Yu, Xiaowei Li, Lihua Yuan

“…Here, we demonstrate a dimerization motif based on a hydrogen-bonded macrocycle that can be effectively applied to form orthogonal supramolecular polymers. …”
Get full text

Método Divás de evaluación de curso en línea by Sonia Díaz V.

“…La presente investigación que corresponde al Proyecto Especial, tiene como objetivo general el diseño del Método Divás para evaluar un curso en línea y así determinar su efectividad. En un artículo anterior se detalló la fase diagnóstica del estudio en que se detectó la existencia de un proceso evaluativo en la Universidad Experimental Simón Rodríguez (UNESR) y la Universidad de Los Andes (ULA) sin la aplicación de un método en particular en los cursos de postgrado en línea con características específicas en cada una de estas instituciones.Por consiguiente, se elaboró el método Divás, y su principal componente, el instrumento de medición, fue aplicado a un curso de postgrado en computación a distancia de la ULA. …”
Get full text

Critical limit for phosphorus in a Red Latosol of the Brazilian Cerrado by Louise Stefanello Hemielevski, June Faria Scherrer Menezes, Augusto Matias de Oliveira, Mariana Pina da Silva Berti, Linia Dayana Lopes Machado, Paulo Fernandes Boldrin, Veridiana Cardozo Gonçalves Cantão, Rodrigo Gomes Silva

“…The aim of this study was to determine a mathematical model for the critical limit for phosphorus in the environment (CLPE) in a Red Latosol of the Cerrado, and to monitor the amount of P in the soil of 46 rural properties in the micro watershed of the Ribeirão Abóbora River. …”
Get full text

Liberation ecologies de Richard Peet y Michael Watts by María Fernanda Espinosa

Get full text

Dynamics of a Filippov epidemic model with limited hospital beds by Aili Wang, Yanni Xiao, Huaiping Zhu

Subjects: Get full text

Alternative treatment methods for bovine mastitis: prospects and limitations (review) by V. D. Zubareva, O. V. Sokolova, M. V. Bytov, A. S. Krivonogova, S. V. Volskaya

“…Antibacterial drugs remain first line agents for therapy of the mammary gland inflammatory diseases in animals. …”
Get full text

Narratives about the communication, limits and hierarchies in children with separated parents by Luz Elena Pinzón Sanabria, Gabriela Vanegas Pérez

Subjects: Get full text

A Review of the Advantages and Limitations of Geophysical Investigations in Landslide Studies by Veronica Pazzi, Stefano Morelli, Riccardo Fanti

“…Both the associated advantages and limitations have been highlighted over the years, and some drawbacks are still open. …”
Get full text

Semilinear elliptic equations having asymptotic limits at zero and infinity by Martin Schechter, Kanishka Perera

Get full text

Beyond Verbatim: Embodied Truth and the Limits of Language in House Arrest by Mehmet Ünal

“…Transcending its historical context, House Arrest emerges as a timely call for heightened media literacy and a discerning approach to information consumption in a world increasingly characterised by political polarisation and misinformation. …”
Get full text

Strictly barrelled disks in inductive limits of quasi-(LB)-spaces by Carlos Bosch, Thomas E. Gilsdorf

Subjects: Get full text

Predictive and Prognostic Factors of Synchronous Colorectal Lung-Limited Metastasis by Yuqiang Li, Zhongyi Zhou, Da Liu, Ming Zhou, Fengbo Tan, Wenxue Liu, Hong Zhu

“…This study is aimed at investigating predictive and prognostic factors of synchronous colorectal lung-limited metastasis (SCLLM) based on The Surveillance, Epidemiology, and End Results (SEER) database. …”
Get full text

Multi-pulse Fourier codes for bit transmission at the quantum limit by Matteo Rosati

Get full text

Dynamics of competitive systems with a single common limiting factor by Ryusuke Kon

“…The concept of limiting factors (or regulating factors) succeeded in formulating the well-known principle of competitive exclusion.This paper shows that the concept of limiting factors is helpful not only to formulate the competitive exclusion principle, but also to obtain other ecological insights.To this end, by focusing on a specific community structure, we study the dynamics of Kolmogorov equations and show that it is possible to derive an ecologically insightful result only from the information about interactions between species and limiting factors.Furthermore, we find that the derived result is a generalization of the preceding work by Shigesada, Kawasaki, and Teramoto (1984), who examined a certain Lotka-Volterra equation in a different context.…”
Get full text

Topological Entropy and Special α-Limit Points of Graph Maps by Taixiang Sun, Guangwang Su, Hailan Liang, Qiuli He

“…Denote by h(f), R(f), and SA(f) the topological entropy, the set of recurrent points, and the set of special α-limit points of f, respectively. …”
Get full text

Exponential turnpike property for particle systems and mean-field limit by Michael Herty, Yizhou Zhou

Subjects: Get full text

Divinización del mercado, teodicea liberal una respuesta no eurocéntrica by Jorge Polo Blanco

Get full text

Investigations of Optical Coulomb Blockade Oscillations in Plasmonic Nanoparticle Dimers by Lamessa Gudata, Jule Leta Tesfaye, Abela Saka, R. Shanmugam, L. Priyanka Dwarampudi, Nagaraj Nagaprasad, B. Stalin, Ramaswamy Krishnaraj

“…The linear conductance through the dot is defined as G=lim⟶0I/V in the limit of infinity of small bias voltage. …”
Get full text

Numerical Analysis of Conductor Galloping Limitation by Oscillation Frequency Detuning by I. I. Serguey, P. I. Klimkovich, A. A. Vinogradov

“…The obtained results can be used for designing and operation of aerial power lines.…”
Get full text